Simrad TDS datagram format
Simrad TDS is a proprietary datagram format created by Kongsberg Maritime to provide the door spread. That is the distance between the two trawl doors.
Format
@IITDS,x.x,M<CR><LF>
Description
1 IITalker identifier
2 TDSDatagram identifier
3 x.x,MDistance in metres
Note
In a dual trawl system, the distance between the second door set is provided in the Simrad TS2 datagram.